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a natural or artificial channel through which materials such as fluids are transported; for example, a water well

DOD

Department of Defense

EPA

Environmental Protection Agency

groundwater

water beneath the earth's surface in the spaces between soil particles and in rock

ingestion

eating and drinking; for example, children eating lead paint chips or swallowing lead in dust due to chewing and sucking activity on hands and toys

HUD

Housing and Urban Development (Department of)

IRP

Installation Restoration Program (Department of Defense)

medical monitoring

a set of medical tests and physical exams specifically designed to evaluate whether an individual is being exposed to a particular chemical at concentrations that could negatively affect that person's health

mercury vapor

mercury is a liquid metal that becomes an odorless, colorless gas (or vapor), which can be inhaled, at ordinary room temperatures

migration

moving from one location to another

mg/m3

milligrams per cubic meter; a measure of theconcentration of a chemical in a known amount (a cubicmeter) of soil

mg/kg WW

milligrams per kilogram of wet weight; a measure of theconcentration of a chemical in a known amount (a kilogram) offish tissue which has not been dehydrated prior to making themeasurement.

munitions

explosive military items; for example, grenades and bombs

NPL

National Priorities List (of Superfund sites)

NSWC-IHDIV

Naval Surface Warfare Center - Indian Head Division

ordnance

military supplies; for example, weapons, ammunition and vehicles

propellants

explosives for forcing forward projectiles such as rockets

Pb

Lead

PbB

Lead in blood

RCRA

Resource Conservation and Recovery Act

Remedial Investigation

the CERCLA process of determining the type and extent of hazardous material contamination at a site

solvent

a liquid capable of dissolving or dispersing another substance; for example, acetone or mineral spirits

surface water

water flowing in ditches, creeks, and rivers or standing in lakes and ponds

µg/dL

micrograms per deciliter; a measure of the concentration of achemical in a known amount (deciliter) of liquid; for example, theconcentration of lead in a blood sample